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Ответ

Ответ дан
NataMon

Ответ:

а) число 30 см

б) число 180 г

Пошаговое объяснение:

а) 5/6 * х = 25

х = 25 * 6 : 5

х = 150 : 5

х = 30 (см)

Проверим:  5/6 * 30 = 5 * 30 : 6 = 150 : 6 = 25 (см)

б) 2/3 * х = 120

х = 120 * 3 : 2

х = 360 : 2

х = 180 (г)

Проверим:  2/3 * 180 = 2 * 180 : 3 = 360 : 3 = 120 (г)

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